CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income (loss)	$ 395	$ (2,477)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation and amortization	289	293
Equipment transferred to cost of goods sold	109	261
Share-based compensation	629	671
Net change in:
Trade accounts receivable	262	(278)
Inventories	(216)	(701)
Other current assets	(211)	131
Accounts payable and accrued liabilities	239	(347)
Deferred revenue	(233)	(156)
Other long-term liabilities	(299)	(493)
Deposits and other long-term assets	256	344
Net cash provided by (used in) operating activities	1,220	(2,752)
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of property, plant and equipment	(315)	(648)
Cash provided by (used in) investing activities	(315)	(648)
CASH FLOWS FROM FINANCING ACTIVITIES:
Net proceeds from issuance of common stock, less payments for shares withheld to cover tax	(360)	(171)
Cash provided by (used in) financing activities	(360)	(171)
Increase (decrease) in cash and cash equivalents	545	(3,571)
Effects of exchange rate changes on cash	(185)	(328)
Cash and cash equivalents at beginning of period	11,510	14,190
Cash and cash equivalents at end of period	11,870	10,291
Cash paid during the period for:
Income taxes	$ 144	$ 445